Seoyeon (TUIDE) Profile 2026: Age, Bio, Birthday & Interesting Facts
Seoyeon (born Park Seo-yeon on March 4, 2008) is a South Korean singer and member of TUIDE, the first girl group under HYBE’s ABD label, debuting August 24, 2026. She is the younger sister of TWICE leader Park Jihyo.
Seoyeon (박서연) is a South Korean singer and member of the seven-member girl group TUIDE, which debuted on August 24, 2026, under ABD (A Bold Dream), a subsidiary label of HYBE Music Group. Born on March 4, 2008, she gained significant public attention prior to her debut as the younger sister of Park Jihyo, the leader of the internationally renowned girl group TWICE. TUIDE’s debut EP, TUNE & PLAY, was released on August 24, 2026, at 6 PM KST.
Quick Facts Table
| Detail | Information |
|---|---|
| Full Name | Park Seo-yeon (박서연) |
| Stage Name | Seoyeon (서연) |
| Date of Birth | March 4, 2008 |
| Age | 18 years old (in2026) |
| Zodiac Sign | Pisces |
| Chinese Zodiac | Rat |
| Nationality | South Korean |
| Profession | Singer, K-Pop Idol |
| Group | TUIDE (튜이드) |
| Agency | ABD (A Bold Dream) / HYBE Music Group |
| Debut Date | August 24, 2026 |
| Debut EP | TUNE & PLAY |
| Height | This information is not publicly available |
| Weight | This information is not publicly available |
| Blood Type | This information is not publicly available |
| MBTI Type | This information is not publicly available |
| Net Worth | This information is not publicly available |
Table of Contents
Early Life and Family
Childhood
Park Seo-yeon was born on March 4, 2008, in Sutaek-dong, Guri, Gyeonggi Province, South Korea. She is the youngest of three sisters. Her eldest sister is Park Jihyo (born 1997), the leader and main vocalist of TWICE. Her second sister is Lee Ha-eum (born Park Ji-young), who debuted as a model and actress in 2022.
Seoyeon’s childhood was spent in Guri, a city in Gyeonggi Province adjacent to Seoul. Growing up with an older sister who became a global K-pop star, Seoyeeon was exposed to the entertainment industry from an early age. She attended Misa Middle School and later transferred to Hanlim Multi Art School to pursue her career as a K-pop idol.
Parents and Family Background
Seoyeon’s parents are her father, Park-(name not publicly available), and her mother, Jo Mi-ja. Her father’s name has not been publicly disclosed. Her mother, Jo Mi-ja, has been mentioned in various sources.
Seoyeon is the youngest of three daughters:
- Park Jihyo (born February 1, 1997): Leader and main vocalist of TWICE, debuting under JYP Entertainment in 2015.
- Lee Ha-eum (born Park Ji-young): Model and actress who debuted in 2022.
- Park Seo-yeon (born March 4, 2008): Member of TUIDE.
Seoyeon’s family has been supportive of her career aspirations. Her sister Jihyo has publicly addressed her support for Seoyeoon’s debut.
Education
Seoyeon attended Misa Middle School in Guri. She later transferred to Hanlim Multi Art School (한림연예예술고등학교), a prestigious arts high school known for producing numerous K-pop idols, to focus on her training and career preparation.
Prior to her transfer, she studied at Poongsan High School in Andong, Gyeongsangbuk Province.
Age and Birthday
| Category | Detail |
|---|---|
| Date of Birth | March 4, 2008 |
| Age (2026) | 18 years old |
| Zodiac Sign | Pisces |
| Chinese Zodiac | Rat |
| Birth Year in Korean Age | 19 years old (in 2026) |
Seoyeon was born on March 4, 2008. in 2026, she is 18 years old internationally and 19 years old in Korean age reckoning. Her zodiac sign is Pisces, and her Chinese zodiac sign is Rat. She is one of the younger members of TUIDE, with members ranging from 2006 to 2011 birth years.
Height, Weight and Physical Appearance
| Category | Information |
|---|---|
| Height | This information is not publicly available |
| Weight | This information is not publicly available |
| Blood Type | This information is not publicly available |
| MBTI Type | This information is not publicly available |
Seoyeon’s exact height and weight have not been publicly disclosed by ABD or HYBE. No verified information about her blood type or MBTI personality type is available.
Seoyeon has drawn attention for her striking resemblance to her older sister Jihyo. Observers have noted that she shares similar facial features with her sister, leading to comparisons in visual appearance. Some netizens have also noted similarities between Seoyeoon and TWICE member Nayeon.
Career Journey
Early Career
Seoyeon joined PLEDIS Entertainment as a trainee around 2024. At that time, there were rumors that she would debut in PLEDIS’s new girl group. However, the project was later transferred to ABD (A Bold Dream), HYBE’s newly established label for girl group production.
Prior to her trainee period, Seoyeon was a student at Misa Middle School and later attended Hanlim Multi Art School. She began her training with the goal of becoming a K-pop idol, following in the footsteps of her sister Jihyo.
Debut with TUIDE
On July 20, 2026, ABD officially announced the group name “TUIDE” and revealed the members’ stage names, including Seoyeoon’s, without detailed profiles or faces. This created significant curiosity among fans.
On August 1-2, 2026, TUIDE held a pre-debut showcase event titled “PLAYGROUND” at Layer Studio 11 in Mapo-gu, Seoul. The group performed all five songs from their debut EP live without any prior public introduction, impressing attendees with polished live vocals and performances.
On August 3, 2026, ABD officially unveiled the full member lineup with photos and videos across TUIDE’s official social media platforms. Seoyeoon was officially confirmed as a member, and her identity as Jihyo’s younger sister was publicly acknowledged.
TUIDE made their official debut on August 24, 2026, at 6:00 PM KST, with the release of their first EP, TUNE & PLAY. The EP consists of five tracks: “ABD,” “SUN KISS,” “Echo,” “Flip-Flop Girl,” and “GRLS.” The title track “SUN KISS” was released alongside the EP.
Major Achievements
| Achievement | Year | Details |
|---|---|---|
| Pre-Debut Showcase | 2026 | Performed all EP tracks live at “PLAYGROUND” event in Seoul |
| Official Debut | 2026 | Debuted with EP TUNE & PLAY on August 24 |
| HYBE Debut | 2026 | First girl group under ABD label |
Recent Career Updates
in August 2026, Seoyeon is actively promoting with TUIDE following their debut. The group has been engaging with fans through various platforms including Weverse, Instagram, X (Twitter), TikTok, and YouTube. Their official social media accounts are actively sharing content.
TUIDE is expected to begin music show promotions following their debut, performing on major Korean music programs.
Career Timeline
| Year | Event |
|---|---|
| 2008 | Born on March 4 in Guri, Gyeonggi Province |
| 2024 | Joined PLEDIS Entertainment as a trainee |
| July 20, 2026 | Group name TUIDE and members’ stage names announced |
| August 1-2, 2026 | Pre-debut showcase “PLAYGROUND” held in Seoul |
| August 3, 2026 | Official member photos and lineup unveiled |
| August 24, 2026 | Official debut with EP TUNE & PLAY |
Awards and Achievements
As a member of a group that debuted in August 2026, Seoyeoon has not yet received individual awards or nominations. TUIDE has not yet accumulated major awards as a group. Any future award nominations and wins will be documented as they occur.
Relationship Status
No publicly verified information about Seoyeon’s relationship status is available. As a newly debuted K-pop idol, she maintains privacy regarding her personal life.
Net Worth
No publicly verified information about Seoyeoon’s net worth is available. As a newly debuted idol, specific financial information is not publicly disclosed. Her income sources as a member of TUIDE include:
- Album sales revenue from TUNE & PLAY
- Streaming income from music platforms
- Performance earnings from live shows and music programs
- Merchandise revenue
- Future endorsement deals
Social Media Presence
| Platform | Handle | Official |
|---|---|---|
| Group Instagram | @tuide_abd | Yes |
| Group X (Twitter) | @TUIDE_official | Yes |
| Group TikTok | @tuide_abd | Yes |
| Group YouTube | TUIDE | Yes |
| Group Weverse | TUIDE | Yes |
Seoyeon does not have verified personal social media accounts. All official content is shared through the group’s collective channels.
Lesser Known Facts
- Birthplace: Seoyeon was born in Sutaek-dong, Guri, Gyeonggi Province, South Korea.
- Family Structure: She is the youngest of three sisters. Her eldest sister is TWICE leader Jihyo, and her second sister is actress and model Lee Ha-eum.
- Education: She attended Misa Middle School and transferred to Hanlim Multi Art School to pursue her idol career.
- Visual Resemblance: Seoyeon has drawn attention for her striking resemblance to her sister Jihyo. Some netizens have also noted similarities to TWICE member Nayeon.
- Training Period: She joined PLEDIS Entertainment as a trainee around 2024.
- Age at Debut: Seoyeon was 18 years old at the time of her debut with TUIDE.
- Pre-Debut Performance: TUIDE performed their entire debut EP live at a pre-debut showcase before releasing any music.
- Animal Lover: Seoyeon is known to have a cat named Bbuyo.
- Multinational Group: TUIDE consists of members from South Korea, the United States, Britain, and Japan, making it a truly global group.
- Producer Connection: TUIDE is produced by Han Sung-soo, the former CEO of PLEDIS Entertainment and creator of SEVENTEEN.
Frequently Asked Questions (FAQ)
Q1: Who is Seoyeon from TUIDE?
A: Seoyeon (born Park Seo-yeon on March 4, 2008) is a South Korean singer and member of the girl group TUIDE, which debuted under ABD/HYBE on August 24, 2026.
Q2: Is Seoyeon related to TWICE’s Jihyo?
A: Yes, Seoyeon is the younger sister of TWICE leader Park Jihyo.
Q3: When was Seoyeon born?
A: Seoyeon was born on March 4, 2008.
Q4: How old is Seoyeon?
A: Seoyeon is 18 years old (international age) in 2026.
Q5: What is Seoyeon’s full name?
A: Seoyeon’s full name is Park Seo-yeon (박서연).
Q6: What group is Seoyeon in?
A: Seoyeon is a member of TUIDE, a seven-member girl group under ABD/HYBE.
Q7: When did Seoyeon debut?
A: Seoyeon debuted on August 24, 2026, with TUIDE’s EP TUNE & PLAY.
Q8: What is Seoyeon’s debut song?
A: Seoyeon’s debut title track is “SUN KISS” from the EP TUNE & PLAY.
Q9: How tall is Seoyeon?
A: Seoyeon’s exact height has not been publicly disclosed.
Q10: Does Seoyeon have other siblings?
A: Yes, Seoyeon has two older sisters: Park Jihyo (TWICE leader) and Lee Ha-eum (actress/model).
Conclusion
Seoyeon, born Park Seo-yeon on March 4, 2008, in Guri, South Korea, is a member of TUIDE, the first girl group under HYBE’s ABD label. She debuted on August 24, 2026, with the EP TUNE & PLAY. As the younger sister of TWICE leader Park Jihyo, Seoyeon has attracted significant attention prior to her debut. She is one of seven members in a multinational group that includes members from South Korea, the United States, Britain, and Japan. With her training at PLEDIS Entertainment and now debuting under HYBE, Seoyeon is positioned to make her mark in the K-pop industry.
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